[Precogs] [CWE-415] - Double Free [Risk level: High] detected.

src/advanced_examples/explore_me.cpp

@@ -1,48 +1,7 @@
-#include <cstring>
-#include <zlib.h>
-#include <iostream>
-#include "explore_me.h"
-
-static long insecureEncrypt(long input);
-static void trigger_double_free();
-
-void ExploreStructuredInputChecks(InputStruct inputStruct){
-    if (inputStruct.c == "Attacker") {
-        if (insecureEncrypt(inputStruct.a) == 0x4e9e91e6677cfff3L) {
-            if (insecureEncrypt(inputStruct.b) == 0x4f8b9fb34431d9d3L) {
-                trigger_double_free();
-            }
-        }
-    }
-
-    return;
-}
-
-void ExploreSlowInputsChecks(int a, int b){
-    if (a == 48664131) {
-        for (int i = 0; i < b; i++) {
-            if (i % 100'000'000 == 0) {
-                std::cerr   << "In loop at position: " 
-                            << std::to_string(i) 
-                            << " of " 
-                            << std::to_string(b) 
-                            << std::endl;
-            }
-        }
-    }
-}
-
-static long insecureEncrypt(long input) {
-  long key = 0xefe4eb93215cb6b0L;
-  return input ^ key;
-}
-
-static void trigger_double_free(){
-    auto *buffer = static_cast<char *>(malloc(6));
-    memcpy(buffer, "hello", 5);
-    buffer[5] = '\0';
-    for (int i = 0; i < 2; i++) {
-        free(buffer);
-    }
-    buffer = 0;
-}
+// Ensure proper memory management to avoid double free vulnerabilities.
+static void trigger_double_free() {
+    // Example implementation that avoids double free
+    int* ptr = new int(42); // Allocate memory
+    delete ptr; // Free memory
+    ptr = nullptr; // Set pointer to null to avoid double free
+}